Changeset 5870

Timestamp:

11/25/07 18:33:24 (12 months ago)

Author:

erijo

Message:

Check return value from backtrace_symbols before using it (#1516).

Files:

• trunk/licq/src/sighandler.c (modified) (1 diff)

trunk/licq/src/sighandler.c

@@ -161 +161 @@
     int n = backtrace(array, size);
     char **res = backtrace_symbols(array, n);
-    for (i = 0; i < n; i++)
+    if (res == NULL)
+      fprintf(stderr, tr("Failed to retrive backtrace symbols"));
+    else
     {
-      fprintf(stderr, "%s\n", res[i]);
-      if (file != NULL)
-        fprintf(file, "%s\n", res[i]);
+      for (i = 0; i < n; i++)
+      {
+        fprintf(stderr, "%s\n", res[i]);
+        if (file != NULL)
+          fprintf(file, "%s\n", res[i]);
+      }
+
+      free(res);
     }
-
-    free(res);
-    /*array[0] = si->si_addr;
-    res = backtrace_symbols(array, 1);
-    fprintf(stderr, "%s\n", res[0]);*/
   }
   fprintf(stderr, tr("Attempting to generate core file.\n"));